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Fix zero sized recompiled shifts. Fixes hang in Gunmetal.

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This commit is contained in:
SarahW 2019-03-30 19:45:29 +00:00
commit 12d73e8a95
4 changed files with 26 additions and 4 deletions
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11
src/codegen_ops_shift.c
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@ -496,12 +496,17 @@ uint32_t ropC1_l(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fet
}
if (block->flags & CODEBLOCK_NO_IMMEDIATES)
{
uint32_t new_pc;
int jump_uop;
LOAD_IMMEDIATE_FROM_RAM_8(block, ir, IREG_temp2, cs + op_pc + 1);
uop_AND_IMM(ir, IREG_temp2, IREG_temp2, 0x1f);
uop_CMP_IMM_JZ(ir, IREG_temp2, 0, codegen_exit_rout);
jump_uop = uop_CMP_IMM_JZ_DEST(ir, IREG_temp2, 0);
return shift_common_variable_32(ir, fetchdat, op_pc, target_seg, IREG_temp2) + 1;
new_pc = shift_common_variable_32(ir, fetchdat, op_pc, target_seg, IREG_temp2) + 1;
uop_NOP_BARRIER(ir);
uop_set_jump_dest(ir, jump_uop);
return new_pc;
}
else
{